Finish Thompson FTI AC Series are rugged, metallic centrifugal pumps are compact in design, easy to operate and handle, and economically priced. Built from high quality 316 stainless steel, these pumps are available in horizontal, vertical, or vertical cantilevered designs. All wetted parts are constructed of corrosion resistant materials to withstand the harshest chemical environments. The AP Series accept standard NEMA and IEC frame motors and feature standard NPT or BSP threaded ports with tri-clamp or flanges optional.